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Built-in Functions / Programming / Flow Control /

TimeConstrained

Usage

• TimeConstrained[expr, t] evaluates expr, stopping after t seconds.
• TimeConstrained[expr, t, failexpr] returns failexpr if the time constraint is not met.


Notes

• TimeConstrained generates an interrupt to abort the evaluation of expr if the evaluation is not completed within the specified time.
• TimeConstrained evaluates failexpr only if the evaluation is aborted.
• TimeConstrained returns $Aborted if the evaluation is aborted and no failexpr is specified.
• TimeConstrained is accurate only down to a granularity of at least $TimeUnit seconds.
• Aborts generated by TimeConstrained are treated just like those generated by Abort, and can thus be overruled by AbortProtect.
• See Section 2.14.3.
• See also: MemoryConstrained, AbsoluteTiming, Timing, $IterationLimit, $RecursionLimit, Pause, Abort, TimeConstraint.
• New in Version 1.
Further Examples


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